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Membranes 2017, 7(4), 61; https://doi.org/10.3390/membranes7040061

CO2 Permeability of Biological Membranes and Role of CO2 Channels

Molekular-und Zellphysiologie, AG Vegetative Physiologie–4220–Medizinische Hochschule Hannover, 30625 Hannover, Germany
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Received: 17 September 2017 / Revised: 13 October 2017 / Accepted: 18 October 2017 / Published: 24 October 2017
(This article belongs to the Special Issue Membrane Transport Modeling)
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Abstract

We summarize here, mainly for mammalian systems, the present knowledge of (a) the membrane CO2 permeabilities in various tissues; (b) the physiological significance of the value of the CO2 permeability; (c) the mechanisms by which membrane CO2 permeability is modulated; (d) the role of the intracellular diffusivity of CO2 for the quantitative significance of cell membrane CO2 permeability; (e) the available evidence for the existence of CO2 channels in mammalian and artificial systems, with a brief view on CO2 channels in fishes and plants; and, (f) the possible significance of CO2 channels in mammalian systems. View Full-Text
Keywords: CO2 permeability; membrane cholesterol; protein CO2 channels; aquaporins; Rhesus proteins; aquaporin-1-deficient mice CO2 permeability; membrane cholesterol; protein CO2 channels; aquaporins; Rhesus proteins; aquaporin-1-deficient mice
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Endeward, V.; Arias-Hidalgo, M.; Al-Samir, S.; Gros, G. CO2 Permeability of Biological Membranes and Role of CO2 Channels. Membranes 2017, 7, 61.

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